C312312111111331312111133133313331322331333133313121111331323111211   >>    C31231211111133131211113313331333132233133313331312111133132311121   <<    C312312111111331312111133133313331322331333133313121111331323111213   >>      C312312111111331312111133133313331322331333133313121111331323111212   >>